Home / 4,702.23-7,054.29-1,415.61

Finding the Fourth Proportional to 4,702.23, 7,054.29 and 1,415.61

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Solution

The fourth proportional to 4,702.23, 7,054.29 and 1,415.61 is: 2,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.23 : 7,054.29 = 1,415.61 : x
  2. Step 2: Convert to fraction form
    4,702.23/7,054.29 = 1,415.61/x
  3. Step 3: Cross multiply
    4,702.23x = 7,054.29 × 1,415.61
  4. Step 4: Simplify right side
    4,702.23x = 9,986,123.47
  5. Step 5: Solve for x
    x = 9,986,123.47/4,702.23
  6. Step 6: Final answer
    x = 2,123.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.